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Finding the Fourth Proportional to 109,552.68, 164,412.14 and 73,929.68

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Solution

The fourth proportional to 109,552.68, 164,412.14 and 73,929.68 is: 110,950.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,552.68 : 164,412.14 = 73,929.68 : x
  2. Step 2: Convert to fraction form
    109,552.68/164,412.14 = 73,929.68/x
  3. Step 3: Cross multiply
    109,552.68x = 164,412.14 × 73,929.68
  4. Step 4: Simplify right side
    109,552.68x = 12,154,936,898.32
  5. Step 5: Solve for x
    x = 12,154,936,898.32/109,552.68
  6. Step 6: Final answer
    x = 110,950.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.